3 years ago

Select 2 statements that are true about the equation y+6=-10(x-3).

Mathematics

1 answer:

natta225 [31]3 years ago

8 0

Answer:

(1) and (4)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y + 6 = - 10(x - 3) is in this form

with slope m = - 10 → (1)

(a, b) = (3, - 6) → (4)

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If x varies directly as y, and x=4 when y=15, find x when y=36.<br>

vesna_86 [32]

Answer:

x = 9.6

Step-by-step explanation:

Given that x varies directly as y then the equation relating them is

x = ky ← k is the constant of variation

To find k use the condition x = 4 when y = 15

k = $\frac{x}{y}$ = $\frac{4}{15}$

x = $\frac{4}{15}$ y ← equation of variation

When y = 36, then

x = $\frac{4}{15}$ × 36 = $\frac{144}{15}$ = 9.6

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4 years ago

In March, a family starts saving for a vacation they are planning for the end of August. The family expects the vacation to cost

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Answer:

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Step-by-step explanation:

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3 years ago

Which expression is equivalent to 30(1/2x-2)+40(3/4y-4

Sladkaya [172]

Answer:

= 15x +30y -220

Step-by-step explanation:

We can easily get another expression if we multiply each individual term, and

add together the result

30(1/2x-2)+40(3/4y-4)

= 15x-60 +30y-160

= 15x +30y -220

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3 years ago

Read 2 more answers

Solve the equation 7 + 3m = 28

balandron [24]

The answer is D. M=7

===================
explanation

7+3(7)=28

7+21=28

28=28

making the D.M=7 as true.

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4 years ago

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velikii [3]

What is the question????

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3 years ago